/**
 * Copyright 2013-2025 the original author or authors from the JHipster project.
 *
 * This file is part of the JHipster project, see https://www.jhipster.tech/
 * for more information.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import fs from 'node:fs';

import type JDLObject from '../../core/models/jdl-object.ts';

/**
 * Writes down the given JDL to a file.
 * @param jdl the JDL to write.
 * @param path the path where the file will be written.
 * @returns file contents
 */
export default function exportToJDL(jdl: JDLObject, path = 'app.jdl'): string {
  if (!jdl) {
    throw new Error('A JDLObject has to be passed to be exported.');
  }
  const fileContents = jdl.toString();
  if (path) {
    fs.writeFileSync(path, fileContents);
  }
  return fileContents;
}
